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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B2PLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-53.193304
Energy at 298.15K-53.199196
HF Energy-53.119262
Nuclear repulsion energy31.892037
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 2627 2627 0.00 325.43 0.07 0.13
2 Ag 2172 2172 0.00 89.46 0.05 0.09
3 Ag 1198 1198 0.00 6.09 0.66 0.80
4 Ag 803 803 0.00 19.91 0.16 0.27
5 Au 841 841 0.00 0.00 0.00 0.00
6 B1g 2705 2705 0.00 127.50 0.75 0.86
7 B1g 933 933 0.00 0.47 0.75 0.86
8 B1u 1995 1995 10.70 0.00 0.00 0.00
9 B1u 988 988 23.71 0.00 0.00 0.00
10 B2g 1870 1870 0.00 4.40 0.75 0.86
11 B2g 883 883 0.00 0.03 0.75 0.86
12 B2u 2723 2723 177.87 0.00 0.00 0.00
13 B2u 952 952 0.83 0.00 0.00 0.00
14 B2u 363 363 15.96 0.00 0.00 0.00
15 B3g 1030 1030 0.00 6.05 0.75 0.86
16 B3u 2611 2611 149.41 0.00 0.00 0.00
17 B3u 1725 1725 504.61 0.00 0.00 0.00
18 B3u 1186 1186 80.85 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13801.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13801.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/aug-cc-pVDZ
ABC
2.65293 0.60205 0.55314

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.889 0.000 0.000
B2 -0.889 0.000 0.000
H3 0.000 0.000 0.981
H4 0.000 0.000 -0.981
H5 1.467 1.047 0.000
H6 1.467 -1.047 0.000
H7 -1.467 1.047 0.000
H8 -1.467 -1.047 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77741.32361.32361.19551.19552.57742.5774
B21.77741.32361.32362.57742.57741.19551.1955
H31.32361.32361.96172.05142.05142.05142.0514
H41.32361.32361.96172.05142.05142.05142.0514
H51.19552.57742.05142.05142.09312.93333.6035
H61.19552.57742.05142.05142.09313.60352.9333
H72.57741.19552.05142.05142.93333.60352.0931
H82.57741.19552.05142.05143.60352.93332.0931

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.357 B1 H4 B2 84.357
H3 B1 H4 95.643 H3 B1 H5 108.942
H3 B1 H6 108.942 H3 B2 H4 95.643
H3 B2 H7 108.942 H3 B2 H8 108.942
H4 B1 H5 108.942 H4 B1 H6 108.942
H4 B2 H7 108.942 H4 B2 H8 108.942
H5 B1 H6 122.179 H7 B2 H8 122.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -1.993      
2 B -1.993      
3 H 0.636      
4 H 0.636      
5 H 0.678      
6 H 0.678      
7 H 0.678      
8 H 0.678      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.095 0.000 0.000
y 0.000 -18.278 0.000
z 0.000 0.000 -15.175
Traceless
 xyz
x -2.369 0.000 0.000
y 0.000 -1.143 0.000
z 0.000 0.000 3.511
Polar
3z2-r27.023
x2-y2-0.817
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.983 0.000 0.000
y 0.000 4.911 0.000
z 0.000 0.000 4.246


<r2> (average value of r2) Å2
<r2> 33.747
(<r2>)1/2 5.809